Bose Acoustimass 3 Series Service-Handbuch - Seite 17
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D. Secure the cup to the module with 2 screws
(10).
NOTE: If no further servicing of the unit is
required,refer to the simplified steps provided in
Procedure 10 to re-assemble the unit.
13. Woofer Removal
NOTE: If direct access to the woofer is required
and the unit has not already been
disassembled,follow the simplified steps A.-D.
given below.
A. Remove the cover (3) using Procedure 1.
B. Remove the EQ PCB (5),heatsink (9) and
adapter bracket (8) using Procedure 7,steps C.
and D.
C. Lift up the Amplifier PCB (11) and unhook the
safety controlled woofer cable (24) from
connector J4 (Amplifier PCB).
D. Remove the transformer cup (19) and gasket
(20) using Procedure 11.
E. Remove 4 screws (22) which secure the
woofer (21) to the baffle (part of the module).
14. Woofer Replacement
A. Carefully lift the woofer out and cut the wires
connected to the woofer terminals as close to the
terminals as possible.
NOTE: Make a note of the woofer terminal
orientation relative to the module. The woofer
should be re-positioned in its original location.
B. Strip the wires and connect to a replacement
woofer. Make sure that the red wire is connected
to the positive (+) terminal and the black wire is
connected to the negative (-) terminal. When re-
positioning the woofer,make sure that the woofer
gasket (23) is correctly positioned behind the
woofer to make an airtight seal.
C. Re-mount the woofer (21) to the module using
4 screws (22). Repeat the woofer test
procedures.
NOTE: If no further servicing of the unit is
required,use the following simplified procedures
to re-assemble the unit.
D. Replace the transformer cup (19) and gasket
(20) using Procedure 12.
E. Replace the transformer assembly (18) using
Procedure 10.
F. Re-install the Amplifier PCB (11) using
Procedure 8.
G. Re-install the heatsink (9) and adapter bracket
(8) using Procedure 6.
H. Re-install the EQ PCB (5) using Procedure 4.
I. Replace the cover (3) using Procedure 2.
Satellite Procedures
NOTE: Refer to Figure 7 for an exploded view of
the satellite. Certain parts will be referred to in
these procedures. The item number which
corresponds to the part will be enclosed in
parentheses-i.e.-baffle (9).
1. Grille Removal
A. Grasp the top and bottom of the grille and
grille frame (1,2). Pull the assembly carefully
away from the satellite.
2. Grille Replacement
A. Align the grille feet (not shown) with the 4
holes in the satellite enclosure. Push the
assembly gently into place.
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